package com.xianda.spring.interceptor;

import com.alibaba.druid.util.StringUtils;
import org.springframework.stereotype.Component;
import org.springframework.web.servlet.HandlerInterceptor;
import org.springframework.web.servlet.ModelAndView;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;


@Component
public class ApiHandlerInterceptor implements HandlerInterceptor {

    private static final String REQUEST_KEY = "requestKey";

    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        String requestKey = request.getParameter(REQUEST_KEY);
        if (!StringUtils.isEmpty(requestKey)) {
            System.out.println("System.out.println(requestKey);");
            System.out.println(requestKey);
        } else {
            System.out.println(" ");
        }
        return true;
    }

    @Override
    public void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler, ModelAndView modelAndView) throws Exception {

    }

    @Override
    public void afterCompletion(HttpServletRequest request, HttpServletResponse response, Object handler, Exception ex) throws Exception {
        System.out.println("after");
    }

}
